I'm not ignoring it. I'm trying to address it.
this is your mistake: you sloppily say that an unbounded value has "no end" and then wrongly identify that "end" with the end of the past.
I will try to make sense of this.
I do say that infinite time has no end. It is a duration of time without end. I suppose this to you means I am saying an unbounded value has no end. If so, I agree.
Now I can't identify the end of the past or the future. I can only identify the start of both.
The question is whether or not the past has an end. I do know it has a start.
And yes: the current present is the end of the time that has passed (the past) and the beginning of the future.
That is only a "loose" way of speaking.
In fact, a moment is in the present before it is in the past.
The present is the START of the past, not the end of it.
The question remains. How does infinite time end?